Il est marié avec Janna Willemina Graskamp.
Ils se sont mariés le 25 juin 1879 à Winterswijk, Gelderland, Netherlands , il avait 28 ans.Source 1
Jan Bartus Dunnewold | ||||||||||||||||||
1879 | ||||||||||||||||||
Janna Willemina Graskamp |
when Jan Bartus was born, his mother was not married, so his surname was Konings. After the marriage of Jan Berend Dunnewold & Dora Hendrika Koninga, Jan Bartus was officially recognized and legitimized as their son and was given the name of Jan Bartus Dunnewold.
BS Geboorte Winterswijk